Stephanie is a very good soccer player. she can kick a soccer ball with an initial velocity of 21.3 m/sec. the function that represents the height of the ball with respect to time is ℎ (x) = − 4.9 x^2 + 21.3 x . about how many seconds will it take for the ball to hit the ground?

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

Sara has been reading about different types of financial grants, including federal pell grants, academic competitiveness grants, smart grants, and teach grants. which statement about these grants is true? filling out a fafsa will not her apply for these grants. she will not have to pay back any funds she receives from these grants. these grants only go to students with less than a 3.0 gpa. she will have to pay back all the funds she receives from these grants.